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6849160 |
Method and device for heat treatment of waste products
An apparatus and method are for the pyrolysis of waste. The aparatus has a rotating cell formed of a cylinder in combination with a truncated cone rotating on the same axis. The apparatus also has...
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6848375 |
Method and device for combustion of solid fuel
This invention relates to a method and device for converting energy by combustion of solid fuel, especially incineration of bio-organic fuels and municipal solid waste to produce heat energy and...
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6848374 |
Control of mercury emissions from solid fuel combustion
A system 26 for removing elemental mercury or mercury compounds handles carbonaceous sorbent 28 of a starter batch stored in a silo 30 in an agglomerated state. The sorbent 28 is fed by a...
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6848373 |
Method of monitoring heat flux and controlling corrosion of furnace wall tubes
In a method of measuring heat flux and corrosion in a furnace, pairs of thermocouples are attached to the back side of the furnace wall. One thermocouple of each pair is attached to a tube and the...
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6843185 |
Burner with oxygen and fuel mixing apparatus
An oxygen-fuel combustion system combines oxygen and fuel to produce a flame. The system distributes oxygen to a stream of fluidized, pulverized, solid fuel at various sites before and after...
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6840766 |
Refractory vessel and lining therefor
A refractory vessel that can be used as a gasifier for black liquor includes a generally cylindrical metal shell having a dome. A refractory shell has a cylindrical portion spaced inwardly from the...
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6840184 |
Method and apparatus for the treatment and utilization of solid and liquid waste mixtures
A method and an apparatus for treating and utilizing waste materials and mixtures thereof in multiple steps resulting in a high-yield utilization particularly of organic components of the waste for...
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6840183 |
Diffuser insert for coal fired burners
A diffuser for a pulverized coal delivery pipe near an elbow connection to a burner nozzle. A diffuser structure is located in the pipe adjacent the elbow outlet, with both radial and axial...
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6834597 |
Small caliber munitions detonation furnace and process of using it
This relates to a furnace that is useful in safely detonating or demilitarizing munitions or explosives, particularly small caliber munitions. The preferred variation includes a series of chambers...
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6832566 |
Process to improve the performance of the exothermic incineration of waste material
The starting point is a process to improve the performance of the incineration of combustible waste material in an incineration chamber, whereby the waste material is conveyed to a burner flame...
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6832565 |
Pulse gasification and hot gas cleanup apparatus and process
A gasifier system and process comprises a pulse combustion device in communication with a fluid channel for producing a gas stream having heat or fuel value. The pulse combustion device is operated...
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6832564 |
Method of operating a multiple hearth furnace
A method of operating a multiple hearth furnace with a plurality of vertically aligned hearth floors includes feeding a first material onto the uppermost hearth floor and moving it over the hearth...
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6830597 |
Process and device for pyrolysis of feedstock
The subject invention pertains to unique and advantageous systems for gasifying and/or liquefying biomass. The systems of the subject invention utilize a unique design whereby heat from a...
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6830001 |
Pyrolysis furnace having improved heating efficiency
A batch type pyrolysis furnace is described for the removal of organic contaminants from various metal parts with superior heating efficiency. The described pyrolysis furnace employs a modified gas...
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6830000 |
Automatic firepot cleaning system
Embodiments are shown of a floor opening and/or closing system for pellet stoves and other solid-fuel combustion devices with ash-dumping floors. The system uses a cam system wherein a cam member...
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6825339 |
Apparatus for preparing polynucleotides on a solid support
The present invention relates to an apparatus for preparing polynucleotides on a solid support in a reactor comprising a column containing an immobilized solid support that is functionalized for...
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6824383 |
Diffuse combustion method and apparatus
A method includes the step of extinguishing a flame fired from a burner in a reaction zone upon determining that a sensed combustion chamber temperature is at or above the auto-ignition temperature...
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6823821 |
Combustion method and apparatus for NOx reduction
Combustion method and apparatus for NO x reduction are capable of easily achieving NO x reduction to an exhaust NO x value of 30 ppm or under. The combustion method is to perform in combination...
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6820564 |
System and method for removing blockages in a waste converting apparatus
One or more auxiliary plasma torches are provided to a waste processing plant at strategic locations within the chamber and directed towards the waste column. When a bridge forms within the chamber...
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6817388 |
Multiple plasma generator hazardous waste processing system
A waste processing system is provided herein which entails the use of at least one fixed-position plasma arc generator for primary processing and at least one moveable plasma arc generator for...
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6817304 |
Process for generating heat to reduce the emission of oxides of sulphur and reduce adsorbent consumption
For reducing emissions of oxides of sulphur: a) a sulphur-containing fuel is burned in a combustion zone comprising a heat exchange zone in which at least a portion of the heat is extracted, and...
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6815572 |
Method and device for incineration and vitrification of waste, in particular radioactive waste
The present invention provides a method of processing organic waste (D) in divided solid and/or liquid form, the method being implemented in a single reactor ( 1 ) containing a bath of molten glass...
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6814571 |
Arrangement and method for reducing build-up on a roasting furnace grate
The present invention relates to an arrangement and method that help to reduce the build-up formed on the grate of a fluidized-bed furnace in the roasting of fine-grained material such as...
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6814013 |
Process for treating incineration residues from an incineration plant
In the process for treating incineration residues from waste incineration plants, the incineration material is incinerated on a furnace grate. The incineration residues produced are quenched in a...
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6814012 |
Furnace binding and adjustment systems
A furnace binding and adjustment system for maintaining a refractory furnace hearth under compression utilizes a plurality of buckstays connected at their upper and lower ends by tie members. A...
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6814011 |
Plant for the hot treatment of waste gases from municipal waste incinerators
Plant for the hot treatment of waste gases from municipal waste incinerators or the like, comprising a first line of taking up hot waste gases for treating in an exit section of a municipal waste...
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6810821 |
Hazardous waste treatment method and apparatus
An apparatus and method for treating the off-gas byproduct of a waste treatment system using a plasma torch. The off-gas of a graphite electrode plasma arc furnace includes carbon black or soot...
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6808390 |
Process for carbonizing wood residues and producing activated carbon
An apparatus and process for preparing activated carbon from a wood or wood residue feedstock using fluidized bed technology. The fluidized bed apparatus has a number of wood residue inlets that...
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6807916 |
Integrated pyrolysis systems and methods
Systems and methods for pyrolyzing waste materials are described. The method utilizes waste heat from a cement kiln and the pyrolysis system includes at least a feed inerting section and a...
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6807915 |
Method of carbonization of organic waste and apparatus therefor
The method of carbonization of organic waste according to the present invention comprises the steps of supplying organic waste to a dryer, reducing an amount of water in the organic waste by...
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6807914 |
Shutoff device for burners of a pulverized coal furnace
A shutoff device is provided for pulverized coal burners of a pulverized coal furnace. Each burner has a primary tube that conveys a pulverized coal/air mixture and is connected with a feed line...
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6807913 |
System and method for decongesting a waste converting apparatus
A plurality of fluxing agent inlets are provided at the lower part of a waste processing chamber to enable the direct application of fluxing agents to deposited “unprocessed solids” and/or to...
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6805554 |
Plant and method for the production of cement clinker
The invention relates to the production of cement clinker from cement raw material, wherein preheated raw material is calcined in a calcination zone, then finally burnt to cement clinker in a...
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6802269 |
Alumina refractories and methods of treatment
Methods for improving the strength of alumina refractory materials are disclosed. The method involves exposing the alumina material to a halogen gas. The treated materials can be used in furnaces...
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6802268 |
Device for discharging dust from a dry dust collector of a blast furnace
A device for discharging dust from a dry dust collector of a blast furnace includes a dust discharge vent located downstream of a dust discharge opening of the dry dust collector. A fully enclosed...
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6799526 |
Methods of improving productivity of black liquor recovery boilers
Methods of increasing the throughput of recovery boilers equipped with at least three levels of injection of air with oxygen enrichment of the air in at least one air level. In one method, a black...
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6799525 |
Automatic coal damper
Apparatus for controlling primary air flow and pulverized coal flow to a plurality of burners in a coal-fired boiler includes a plurality of coal dampers arranged to supply a mixture of air and...
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6796251 |
Process for treating incineration residues from an incineration plant
Incineration is controlled in such a way that a sintering and/or fusing of the slag takes place as early as in the incineration bed of the main incineration zone. The incineration residues produced...
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6796250 |
Waste water recovery and utilization system
A waste water recovery and utilization system that converts waste water including gray water, liquid sewerage waste and solid macerated sewerage waste to steam and to electricity comprises a gray...
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6794618 |
Method for electrical heating of furnaces for heat treatment of metallic workpieces
In order to refine a method for electric heating of furnaces for heat treating metallic workpieces, especially vacuum furnaces usable for plasma carburizing or nitriding, in which the heater...
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6792881 |
Method for cleaning salt impregnated hog fuel and other bio-mass, and for recovery of waste energy
A method according to the present invention for reducing the creation of dioxins during the burning of a biomass containing a contaminant, wherein the contaminant is solvated or neutralized in the...
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6790032 |
Straight path carbon powder combustion machine
A straight path carbon powder combustion machine uses carbon powders as fuel of the combustion machine. The carbon powders enter into the interior of an igniter from carbon powders inlets. Then the...
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6790031 |
Fuel staging methods for low NOx tangential fired boiler operation
A tangential fired boiler has a circumferential wall defining a combustion zone and a plurality of fuel inlets disposed along the circumferential wall. The plurality of fuel inlets inject fuel at...
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6789537 |
Foot operated grill cover lift
A device for foot operation of the cover of a cooking instrument, such as a barbecue grill, includes a lever located so as to be operated by a foot, a lift support attached to the cover of the...
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6789488 |
Adjustable flow control elements for balancing pulverized coal flow at coal pipe splitter junctions
An adjustable device installed at the inlet of conventional junctions/splitters ( 116 ) for on-line control of the distribution of coal among the outlet pipes is herein disclosed. The device...
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6789487 |
Fluidized bed incinerator and combustion method in which generation of NOx, CO and dioxine are suppressed
A fluidized bed incinerator having a combustion furnace includes first to fourth combustion sections. Fuel is supplied to the first combustion section and an combustion exhaust gas is exhausted...
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6786335 |
Pyrolysis plant for refuse and method for screening solid residues
A pyrolysis plant for refuse and a method for screening solid residues provide a sure and trouble-free sieving of a solid material using a sieving device having a configuration which is as simple...
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6782669 |
Furnace lining
A lining ( 10 ) for a furnace the lining ( 10 ) having insulating material ( 12 ) attached to an inside wall ( 11 ) of the furnace, the insulating material ( 12 ) in use having a hot face ( 20 )...
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6776606 |
Method for oxidizing mixtures
A catalyst composition and method for oxidizing fuels is disclosed. The catalyst composition comprises at least one compound having one of a group III, group IIA or Lanthanide element such as, for...
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6773471 |
Low sulfur coal additive for improved furnace operation
The present invention is directed to additives for coal-fired furnaces, particularly furnaces using a layer of slag to capture coal particles for combustion. The additive(s) include iron,...
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